These basic links worked great. It's in my snowblower so I'm not sure of its durability but I expect it will last as I haven't had any issues so far and have used the snowblower at least half a dozen times.
Eisen Transport Clevis Standard Binding
4 Review
π Forney 70421 Double Loop Chain: Must-Have 3-by-100-Feet Heavy-Duty Style
6 Review
PGN Roller Chain Feet Connecting: Enhancing Efficiency and Durability
3 Review
Enhanced Roller Chain Feet π Connecting Links: Improved Efficiency and Longevity
3 Review